TY - RPRT TI - NASA's Photon-Counting SLR2000 Satellite Laser Ranging System: Progress and Applications AU - Degnan, John J. AU - McGarry, Jan AU - Zagwodzki, Thomas AU - Donovan, Howard AU - Patterson, Don AU - Steggerda, Charles AU - Mallama, Anthony AU - Cheek, Jack PY - 2002 UR - https://ntrs.nasa.gov/citations/20040012969 ID - 20040012969 ER -